 /*******************************************************************************
  * Copyright (c) 2003, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.internal.navigator.resources.plugin;

 import org.eclipse.core.resources.IWorkspace;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.ui.plugin.AbstractUIPlugin;

 /**
  * The main plugin class for the workbench Navigator.
  *
  *
  * <p>
  * <strong>EXPERIMENTAL</strong>. This class or interface has been added as
  * part of a work in progress. There is a guarantee neither that this API will
  * work nor that it will remain the same. Please do not use this API without
  * consulting with the Platform/UI team.
  * </p>
  *
  * @since 3.2
  */
 public class WorkbenchNavigatorPlugin extends AbstractUIPlugin {
     // The shared instance.
 private static WorkbenchNavigatorPlugin plugin;

     /** The plugin id */
     public static String PLUGIN_ID = "org.eclipse.ui.navigator.resources"; //$NON-NLS-1$

     /**
      * Creates a new instance of the receiver
      */
     public WorkbenchNavigatorPlugin() {
         super();
         plugin = this;
     }

     /**
      * @return the shared instance.
      */
     public static WorkbenchNavigatorPlugin getDefault() {
         return plugin;
     }

     /**
      * @return the workspace instance.
      */
     public static IWorkspace getWorkspace() {
         return ResourcesPlugin.getWorkspace();
     }

     /**
      * Logs errors.
      * @param message The message to log
      * @param status The status to log
      */
     public static void log(String message, IStatus status) {
         if (message != null) {
             getDefault().getLog().log(
                     new Status(IStatus.ERROR, PLUGIN_ID, 0, message, null));
             System.err.println(message + "\nReason:"); //$NON-NLS-1$
 }
         if(status != null) {
             getDefault().getLog().log(status);
             System.err.println(status.getMessage());
         }
     }

     /**
      * Create a status associated with this plugin.
      *
      * @param severity
      * @param aCode
      * @param aMessage
      * @param exception
      * @return A status configured with this plugin's id and the given
      * parameters.
      */
     public static IStatus createStatus(int severity, int aCode,
             String aMessage, Throwable exception) {
         return new Status(severity, PLUGIN_ID, aCode,
                 aMessage != null ? aMessage : "No message.", exception); //$NON-NLS-1$
 }

     /**
      *
      * @param aCode
      * @param aMessage
      * @param exception
      * @return A status configured with this plugin's id and the given
      * parameters.
      */
     public static IStatus createErrorStatus(int aCode, String aMessage,
             Throwable exception) {
         return createStatus(IStatus.ERROR, aCode, aMessage, exception);
     }
     

     /**
      *
      * @param aMessage
      * @param exception
      * @return A status configured with this plugin's id and the given
      * parameters.
      */
     public static IStatus createErrorStatus(String aMessage, Throwable exception) {
         return createStatus(IStatus.ERROR, 0, aMessage, exception);
     }
     
     /**
      *
      * @param aMessage
      * @return A status configured with this plugin's id and the given
      * parameters.
      */
     public static IStatus createErrorStatus(String aMessage) {
         return createStatus(IStatus.ERROR, 0, aMessage, null);
     }
     
     
     /**
      *
      * @param aMessage
      * @return A status configured with this plugin's id and the given
      * parameters.
      */
     public static IStatus createInfoStatus(String aMessage) {
         return createStatus(IStatus.INFO, 0, aMessage, null);
     }
     
     
     /**
      *
      * @param aMessage
      * @return A status configured with this plugin's id and the given
      * parameters.
      */
     public static IStatus createWarningStatus(String aMessage) {
         return createStatus(IStatus.WARNING, 0, aMessage, null);
     }
 }

